lecture 7 anaomy POINAS

Question 1

action of external intercostals

Answer 1

draw ribs superiorly to assist with inhalation

Question 2

action of internal intercostals

Answer 2

draw ribs inferiorly to assist with exhalation

Question 3

proximal attachment of intercostals

Answer 3

inferior border of rib above

Question 4

distal attachment of intercostals

Answer 4

superior border of rib below

Question 5

nerve innervation of intercostals

Answer 5

thoracic intercostal nerves T1-T11

Question 6

purposeful activity of diaphragm

Answer 6

singing, playing the trumpet

Question 7

action of diaphragm

Answer 7

draws down central tendon of diaphragm

Question 8

proximal attachment of diaphragm

Answer 8

costal: inner surface of lower 6 ribs
lumbar: upper 2-3 lumbar vertebrae
sternal: inner part of xiphoid process

Question 9

distal attachment of diaphragm

Answer 9

central tendon

Question 10

nerve innervation of diaphragm

Answer 10

phrenic nerve C3, C4, C5

Question 11

posterior abdominal wall

Answer 11

quadratus lumborum
psoas major
iliacus

Question 12

abdominal muscles

Answer 12

rectus abdominis
external oblique muscle
internal oblique muscle
transverse abdominis

Question 13

purposeful activity of quadratus lumborum

Answer 13

walking, lifting

Question 14

action of quadratus lumborum

Answer 14

bilateral: fix last rib during inspiration
unilateral: laterally tilt/hike/elevate pelvis
vertebral column ipsilateral lateral flexion
vertebral column extension

Question 15

proximal attachment of quadratus lumborum

Answer 15

12th rib
tips of lumbar transverse processes

Question 16

distal attachment of quadratus lumborum

Answer 16

iliac crest
iliolumbar ligament

Question 17

nerve innervation of quadratus lumborum

Answer 17

ventral branches of T12,L1-L4

Question 18

hip flexors

Answer 18

psoas major
iliacus

come together to form a common tendon - iliopsoas tendon

Question 19

purposeful activity of psoas major

Answer 19

hiking, ascending stairs

Question 20

action of psoas major

Answer 20

with iliacus, hip flexion and trunk flexion
vertebral column lateral flexion
balances trunk

Question 21

PA psoas major

Answer 21

sides of T12-L5 vertebrae and discs between them
TP T12-L5

Question 22

DA psoas major

Answer 22

lesser trochanter

Question 23

nerve innervation psoas major

Answer 23

ventral rami of L1, L2, L3

Question 24

purposeful activity of iliacus

Answer 24

climbing a ladder, cycling

Question 25

action of iliacus

Answer 25

flexes thigh stabilizes hip joint acts with psoas major ?

Question 26

DA iliacus

Answer 26

lesser trochanter psoas tendon

Question 27

PA iliacus

Answer 27

iliac fossa sacrum anterior sacroiliac ligaments

Question 28

nerve innervation iliacus

Answer 28

femoral nerve L2, L3, L4